Brush head



FIG. 1 is a top front right perspective view of a brush head in accordance with our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a right side elevation view thereof.

The elements shown in broken lines in FIGS. 3-6 illustrate portions of the brush head that form no part of the claimed design. 

CLAIM The ornamental design for a brush head, as shown and described. 